ISL62873HRUZ-T Intersil, ISL62873HRUZ-T Datasheet
ISL62873HRUZ-T
Specifications of ISL62873HRUZ-T
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ISL62873HRUZ-T Summary of contents
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... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 All other trademarks mentioned are the property of their respective owners. ISL62873 FN6930.1 | Intersil (and design registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2009, 2010. All Rights Reserved ...
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... PART NUMBER (Note) PART MARKING ISL62873HRUZ-T* GAP *Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020 ...
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Block Diagram FB SREF SET0 VID DECODER VID0 GND INT 500mV EN VCC POR RUN FAULT − COMP 100pF + V SET − SW0 SW1 FB FAULT EXT − UVP VREF + ...
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Application Schematics R VCC +5V C PVCC GND GPIO VID0 3 SREF 4 R SET1 VCC GPIO FIGURE 2. ISL62873 APPLICATION SCHEMATIC WITH TWO OUTPUT VOLTAGE SETPOINTS AND DCR CURRENT SENSE R VCC +5V C PVCC GND ...
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Application Schematics (Continued) R +5V C PVCC GND 1 EN GPIO 2 VID0 EXT_REF 3 SREF 4 VCC GPIO FIGURE 4. ISL62873 APPLICATION SCHEMATIC WITH EXTERNAL REFERENCE INPUT AND DCR CURRENT SENSE 5 ISL62873 VCC C VCC Q BOOT 12 ...
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... Ld µTQFN Package . . . . . . . . . . . . . . . . . . . . . . Junction Temperature Range .-55°C to +150°C Operating Temperature Range . . . . . . . . . . . . . . . .-10°C to +100°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below ) . . . . . . -0. (DC) http://www.intersil.com/pbfree/Pb-FreeReflow.asp -0. (<10ns) Recommended Operating Conditions Ambient Temperature Range .-10°C to +100°C - 0.3V (DC BOOT Converter Input Voltage to GND ...
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Electrical Specifications These specifications apply for T All typical specifications T PARAMETER EXTERNAL REFERENCE EXTREF Operating Voltage Range EXTREF Accuracy POWER GOOD PGOOD Pull-down Impedance PGOOD Leakage Current PGOOD Maximum Sink Current (Note 3) GATE DRIVER UGATE Pull-Up Resistance (Note ...
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Electrical Specifications These specifications apply for T All typical specifications T PARAMETER OCSET Leakage Current UVP Threshold Voltage OTP Rising Threshold Temperature (Note 3) OTP Hysteresis (Note 3) NOTES: 2. Parameters with MIN and/or MAX limits are 100% tested at ...
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Component Selection for Setpoint Voltage Programming Resistors TABLE 1. ISL62873 VID TRUTH TABLE STATE RESULT VID0 CLOSE V SREF 1 SW0 V SET1 0 SW1 V SET2 First, determine the attenuation factor K. Next, assign an initial value to R ...
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I current source charges or discharges capacitor that new level at ±100µA. Once C SOFT the selected setpoint voltage, the I VS out of the 100µA current limit and ...
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... V . UVTH Theory of Operation 3 The modulator features Intersil’s R Robust-Ripple- Regulator technology, a hybrid of fixed frequency PWM control and variable frequency hysteretic control. The PWM frequency is maintained at 300kHz under static continuous-conduction-mode operation within the entire specified envelope of input voltage, output voltage, and output load ...
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Synchronous Rectification A standard DC/DC buck regulator uses a free-wheeling diode to maintain uninterrupted current conduction through the output inductor when the high-side MOSFET switches off for the balance of the PWM switching cycle. Low conversion efficiency as a result ...
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... It is assumed that the reader is familiar with many of the basic skills and techniques referenced in the following. In addition to this guide, Intersil provides complete reference designs that include schematics, bills of materials, and example board layouts. Selecting the LC Output Filter The duty cycle of an ideal buck converter is a function of the input and the output voltage ...
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A saturated inductor could cause destruction of circuit components, as well as nuisance OCP faults. A DC/DC buck regulator must have output capacitance C into which ripple current I can flow. Current I P-P a corresponding ripple voltage V ...
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Q = 100nC 0.6 GATE 0.4 0.2 20nC 0.0 0.0 0.1 0.2 0.3 0.4 0.5 ΔV BOOT_CAP FIGURE 11. BOOT CAPACITANCE vs BOOT RIPPLE VOLTAGE Driver Power Dissipation Switching power dissipation in ...
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ON saturation - t is the time required to drive the device into cut-off OFF Layout Considerations The IC, analog signals, and logic signals should all be on the ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...